Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.64,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.87,
    "recommended_max_bid": 8,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a handbag with a shoulder\/crossbody strap and substantial carrying capacity.",
        "photo 1: The bag has visible metal strap rings and buckles, but these are generic and provide no Coach-specific evidence."
    ],
    "negative_evidence": [
        "photo 1: Seller explicitly describes the material as PU leather; the visible surface also appears synthetic and glossy rather than vintage glove-tanned cowhide.",
        "photo 1: Decorative geometric textile strap is not a recognizable vintage Coach construction cue.",
        "photos 1-6: No Coach wordmark, horse-and-carriage mark, creed patch, serial\/style number, or recognizable Coach hangtag is visible.",
        "photos 1-6: The silhouette and exposed center seam are generic contemporary fashion-bag features rather than a clearly identifiable vintage Coach model.",
        "photo 1: Hardware appears light-colored and generic; no documented vintage Coach turnlock is visible.",
        "photo 1: seller title states PU Leather - faux\/vegan material excludes vintage Coach glove-tanned leather",
        "photo 1-6: modern slouchy open-top hobo with center seam and wide woven guitar strap - no matching vintage Coach catalog silhouette",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 1: thin bright gold-tone lobster-claw strap clips and D-rings, not solid brass vintage hardware",
        "photo 1-6: no turnlock or classic Coach closure"
    ],
    "missing_information": [
        "photo 1-6: Interior, lining, and any sewn-in brand or care labels are not shown.",
        "photo 1-6: No close-up of the strap hardware, zipper, or any possible interior tag is provided.",
        "photo 1-6: Bottom, side construction, and material edge finishing are not shown.",
        "photo 1-6: no interior view so creed\/lining cannot be checked",
        "photo 1-6: no creed close-up in raking light",
        "photo 1-6: no hardware engraving \/ zipper-brand close-up",
        "photo 1-6: no bottom \/ corner \/ strap-fold detail for condition grading"
    ],
    "authenticity_concerns": [
        "photos 1-6: The PU material and contemporary styling are inconsistent with the classic vintage Coach leather population.",
        "photos 1-6: Absence of any Coach identifier in the available promotional photos makes a Coach attribution unsupported."
    ],
    "possible_model_reasoning": [
        "photos 1-6: No Coach model can be reasonably matched; the unstructured shoulder\/crossbody silhouette is generic and lacks Coach identifiers.",
        "photos 1-6: Era is best classified as modern non-Coach based on the seller-stated PU material, contemporary decorative strap, and absence of vintage Coach construction cues.",
        "Condition: appears new or lightly used in promotional photos, but interior, bottom, odor, and functional hardware condition cannot be assessed.",
        "photo 1-6 show a modern PU slouchy hobo\/bucket with guitar strap sold in multiple colors - typical modern unbranded fast-fashion bag, not a Coach 1970s-1990s classic or modern Coach line",
        "no Coach hard identifier (creed, serial, wordmark, hangtag, solid-brass turnlock) visible in any photo",
        "seller text stating PU Leather and Unbranded is consistent with photos; no misidentification to correct",
        "Condition: not gradable as Coach; as generic bag appears new\/unused stock\/lifestyle images"
    ],
    "estimated_era": "modern (2000s+), non-Coach",
    "observed_features": {
        "creed_present": false,
        "serial_or_style_number_present": false,
        "coach_wordmark_present": false,
        "turnlock_present": false,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "photo 1: Light-colored metal rings, buckles, and clips are visible; no Coach engraving or vintage Coach turnlock is visible.",
        "leather_description": "photos 1-6: Smooth, glossy brown and cream material with a synthetic-looking finish; seller describes it as PU leather.",
        "lining_description": "not_visible",
        "strap_construction": "photos 1-6: Wide adjustable-looking textile strap with geometric decorative pattern, attached using metal clips and rings.",
        "stitching_description": "photos 1-4: Visible machine-stitched seams appear generally even; construction is generic and contemporary-looking."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0028,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a handbag with a shoulder\/crossbody strap and substantial carrying capacity.",
                    "photo 1: The bag has visible metal strap rings and buckles, but these are generic and provide no Coach-specific evidence."
                ],
                "negative_evidence": [
                    "photo 1: Seller explicitly describes the material as PU leather; the visible surface also appears synthetic and glossy rather than vintage glove-tanned cowhide.",
                    "photo 1: Decorative geometric textile strap is not a recognizable vintage Coach construction cue.",
                    "photos 1-6: No Coach wordmark, horse-and-carriage mark, creed patch, serial\/style number, or recognizable Coach hangtag is visible.",
                    "photos 1-6: The silhouette and exposed center seam are generic contemporary fashion-bag features rather than a clearly identifiable vintage Coach model.",
                    "photo 1: Hardware appears light-colored and generic; no documented vintage Coach turnlock is visible."
                ],
                "missing_information": [
                    "photo 1-6: Interior, lining, and any sewn-in brand or care labels are not shown.",
                    "photo 1-6: No close-up of the strap hardware, zipper, or any possible interior tag is provided.",
                    "photo 1-6: Bottom, side construction, and material edge finishing are not shown."
                ],
                "authenticity_concerns": [
                    "photos 1-6: The PU material and contemporary styling are inconsistent with the classic vintage Coach leather population.",
                    "photos 1-6: Absence of any Coach identifier in the available promotional photos makes a Coach attribution unsupported."
                ],
                "observed_features": {
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "serial_or_style_number_present": false,
                    "serial_or_style_number": "not_visible",
                    "coach_wordmark_present": false,
                    "turnlock_present": false,
                    "hangtag_present": false,
                    "hardware_description": "photo 1: Light-colored metal rings, buckles, and clips are visible; no Coach engraving or vintage Coach turnlock is visible.",
                    "leather_description": "photos 1-6: Smooth, glossy brown and cream material with a synthetic-looking finish; seller describes it as PU leather.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 1-6: Wide adjustable-looking textile strap with geometric decorative pattern, attached using metal clips and rings.",
                    "stitching_description": "photos 1-4: Visible machine-stitched seams appear generally even; construction is generic and contemporary-looking."
                },
                "possible_model_reasoning": [
                    "photos 1-6: No Coach model can be reasonably matched; the unstructured shoulder\/crossbody silhouette is generic and lacks Coach identifiers.",
                    "photos 1-6: Era is best classified as modern non-Coach based on the seller-stated PU material, contemporary decorative strap, and absence of vintage Coach construction cues.",
                    "Condition: appears new or lightly used in promotional photos, but interior, bottom, odor, and functional hardware condition cannot be assessed."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 8,
                "estimated_resale_low": 10,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.5,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1-6: no interior view so creed\/lining cannot be checked",
                    "photo 1-6: no creed close-up in raking light",
                    "photo 1-6: no hardware engraving \/ zipper-brand close-up",
                    "photo 1-6: no bottom \/ corner \/ strap-fold detail for condition grading"
                ],
                "negative_evidence": [
                    "photo 1: seller title states PU Leather - faux\/vegan material excludes vintage Coach glove-tanned leather",
                    "photo 1-6: modern slouchy open-top hobo with center seam and wide woven guitar strap - no matching vintage Coach catalog silhouette",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 1: thin bright gold-tone lobster-claw strap clips and D-rings, not solid brass vintage hardware",
                    "photo 1-6: no turnlock or classic Coach closure"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone lobster-claw clips, D-rings and slider on guitar strap visible in photo 1; thin bright plated appearance, no turnlock, no COACH stamping visible",
                    "leather_description": "smooth brown\/tan faux PU leather with high sheen and slouchy drape in photo 1-6; not glove-tanned full-grain cowhide",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "center vertical seam on body visible in photo 1-4; no tight even Coach-style stitching detail visible in these lifestyle-distance shots",
                    "strap_construction": "wide detachable woven patterned guitar strap with adjustable slider and lobster-claw ends in photo 1-2; modern fast-fashion construction",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1-6 show a modern PU slouchy hobo\/bucket with guitar strap sold in multiple colors - typical modern unbranded fast-fashion bag, not a Coach 1970s-1990s classic or modern Coach line",
                    "no Coach hard identifier (creed, serial, wordmark, hangtag, solid-brass turnlock) visible in any photo",
                    "seller text stating PU Leather and Unbranded is consistent with photos; no misidentification to correct",
                    "Condition: not gradable as Coach; as generic bag appears new\/unused stock\/lifestyle images"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 19598,
            "output_tokens": 824,
            "total_tokens": 20422,
            "estimated_cost_usd": 0.009817
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 20089,
            "output_tokens": 1181,
            "total_tokens": 21270,
            "estimated_cost_usd": 0.004963
        }
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}